Hydroponics — growing plants in nutrient-rich water rather than soil — might seem like a fairly modern idea, but people in China have used the technique to grow rice since at least the 13th century.

CEDAR RAPIDS, Iowa (KCRG) - The city of Dubuque plans to help address food deserts by putting in a hydroponics system. That’s where produce can be grown in water instead of soil, making it accessible ...